Patty Petersen (original) (raw)

Patti Petersen Mirkovich (born December 2, 1954) is a retired American actress. Petersen was born in Glendale, California, the youngest of three children. When her parents divorced in 1962, she and older brother Paul Petersen moved in with their mother, who later remarried. Paul Petersen costarred on ABC's The Donna Reed Show. Patti was written into the cast as Trisha, an adopted child after Shelley Fabares left the series. She stayed with the show until it ended in 1966.